diff --git a/.github/workflows/dart.yml b/.github/workflows/dart.yml
index ad5e724e..dcb82995 100644
--- a/.github/workflows/dart.yml
+++ b/.github/workflows/dart.yml
@@ -18,26 +18,26 @@ permissions:
 
 jobs:
   generator:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
+      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
       # Prefer running on Ubuntu over Dart Docker image
-      - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3 # v1.6.2
+      - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672 # v1.6.5
         with:
-          sdk: 3.3.0
+          sdk: 3.5.2
       - name: Install ObjectBox C library
-        run: ./install.sh
+        run: ./install.sh --install # Install globally for generator integration tests
       - name: Integration test
         run: ./generator/test.sh
 
   # make sure the init script doesn't stop working - it's not something we usually run during normal development
   init-script:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
+      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
       - uses: subosito/flutter-action@44ac965b96f18d999802d4b807e3256d5a3f9fa1 # v2.16.0
         with:
-          flutter-version: 3.19.1
+          flutter-version: 3.24.2
           cache: true
       - run: ./tool/init.sh
 
@@ -48,19 +48,19 @@ jobs:
         os:
           - windows-2022
           - macos-13
-          - ubuntu-22.04
+          - ubuntu-24.04
         sdk:
           # Always include lowest supported version (see sdk key in objectbox and generator
           # pubspec.yaml, but may be higher due to dependencies).
-          - 3.3.0
-          - 3.2.3
+          - 3.5.2
+          - 3.4.4
           - 2.18.6
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3 # v1.6.2
+      - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672 # v1.6.5
         with:
           sdk: ${{ matrix.sdk }}
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
+      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
       - name: Generator Test
         working-directory: generator
         run: |
@@ -88,23 +88,23 @@ jobs:
       matrix:
         os:
           - macos-13
-          - ubuntu-22.04
+          - ubuntu-24.04
           - windows-2022 # Flutter 2.9 and newer need Visual Studio 2022 to build desktop.
         flutter-version:
           # Include lowest working version (use lowest tested Dart SDK as a guideline, see lib tests
           # above; but may be higher due to dependency conflicts)
           # https://docs.flutter.dev/development/tools/sdk/releases lists included Dart SDK.
-          - 3.19.1
+          - 3.24.2
           - 3.7.12
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
+      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
       - uses: subosito/flutter-action@44ac965b96f18d999802d4b807e3256d5a3f9fa1 # v2.16.0
         with:
           flutter-version: ${{ matrix.flutter-version }}
           cache: true
       # windows-2022 defaults to Java 8, but Android Plugin requires at least 11.
-      - uses: actions/setup-java@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9 # v4.2.1
+      - uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73 # v4.4.0
         with:
           distribution: 'temurin'
           java-version: '17'
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 61c9db66..0ff24742 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -14,13 +14,13 @@ permissions:
 
 jobs:
   analyze:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
+      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
       # Prefer running on Ubuntu over Dart Docker image
-      - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3 # v1.6.2
+      - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672 # v1.6.5
         with:
-          sdk: 3.3.0
+          sdk: 3.5.2
       - name: Get dependencies
         run: |
           dart pub get --directory=benchmark
@@ -43,11 +43,11 @@ jobs:
         run: dart format --set-exit-if-changed --fix .
 
   pana:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     permissions:
       checks: write # to publish the report
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
+      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
       - uses: axel-op/dart-package-analyzer@7a6c3c66bce78d82b729a1ffef2d9458fde6c8d2 # v3
         id: analysis # set an id for the current step
         with:
@@ -64,15 +64,15 @@ jobs:
           fi
 
   coverage:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     permissions:
       checks: write # to publish the report
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
+      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
       # Prefer running on Ubuntu over Dart Docker image
-      - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3 # v1.6.2
+      - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672 # v1.6.5
         with:
-          sdk: 3.3.0
+          sdk: 3.5.2
       - name: Install coverage tools
         run: |
           ./tool/apt-install.sh lcov
@@ -96,13 +96,13 @@ jobs:
           result_path: objectbox/coverage/lcov.info
           min_coverage: 90
           token: ${{ github.token }}
-      - uses: danielpalme/ReportGenerator-GitHub-Action@2a2d60ea1c7e811f54684179af6ac1ae8c1ce69a # v5.2.5
+      - uses: danielpalme/ReportGenerator-GitHub-Action@b7115d212c0f7814a0cb17fb43ec36983c707ccb # v5.3.10
         with:
           reports: 'objectbox/coverage/lcov.info'
           targetdir: 'coveragereport'
           reporttypes: 'HtmlInline' # The output formats and scope (separated by semicolon) Values: Badges, Clover, Cobertura, CsvSummary, Html, HtmlChart, HtmlInline, HtmlInline_AzurePipelines, HtmlInline_AzurePipelines_Dark, HtmlSummary, JsonSummary, Latex, LatexSummary, lcov, MarkdownSummary, MHtml, PngChart, SonarQube, TeamCitySummary, TextSummary, Xml, XmlSummary
           sourcedirs: 'objectbox'
-      - uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
+      - uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874 # v4.4.0
         with:
           name: CoverageReport # Artifact name
           path: coveragereport # Directory containing files to upload
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index de127ca5..a3fe8be0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,7 +5,7 @@ stages:
 variables:
   # Note: use specific tags as docker images may not always be pulled due to "if-not-present" pull policy.
   #       Thus, do not use tags like latest/beta, but check https://hub.docker.com/_/dart?tab=tags for latest.
-  DART_VERSION: '3.3.0'
+  DART_VERSION: '3.5.2'
 
 # Make PUB_CACHE cacheable in GitLab;
 # see also https://gitlab.com/gitlab-org/gitlab/-/merge_requests/77791/diffs and
@@ -59,7 +59,7 @@ test-generator:linux:x64:
   tags: [ x64, linux, docker ]
   image: dart:$DART_VERSION
   script:
-    - ./install.sh
+    - ./install.sh --install # Install globally for generator integration tests
     - ./generator/test.sh
 
 # Runs generator and objectbox unit tests.
@@ -67,13 +67,13 @@ test-generator:linux:x64:
   extends: .cache
   stage: test
   script:
-    - ./install.sh
     # Generator tests
     - cd generator
     - dart pub get
     - dart test
     # ObjectBox tests
     - cd ../objectbox_test
+    - ../install.sh
     - dart pub get
     - dart run build_runner build
     # Set concurrency=1 to run only one test suite (== test file) at a time.
@@ -95,7 +95,7 @@ test-lib:linux:x64:
       # pulled due to "if-not-present" pull policy. Check https://hub.docker.com/_/dart?tab=tags.
       # Always include lowest supported version (see sdk key in objectbox and generator
       # pubspec.yaml, but may be higher due to dependencies).
-      - DART_VERSION: [ '2.18.6', '3.2.3', '3.3.0' ]
+      - DART_VERSION: [ '2.18.6', '3.4.4', '3.5.2' ]
 
 # Runs tests with coverage on the objectbox package.
 # Note: As this requires to run tests, make sure this does not block the actual test jobs so test
diff --git a/flutter_libs/android/build.gradle b/flutter_libs/android/build.gradle
index 53e09971..da7638ff 100644
--- a/flutter_libs/android/build.gradle
+++ b/flutter_libs/android/build.gradle
@@ -2,7 +2,7 @@ group 'io.objectbox.objectbox_flutter_libs'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.6.10'
+    ext.kotlin_version = '1.7.0'
     repositories {
         google()
         mavenCentral()
diff --git a/install.sh b/install.sh
index 48793dea..7ca187dd 100755
--- a/install.sh
+++ b/install.sh
@@ -9,10 +9,4 @@ cLibVersion=4.0.0
 os=$(uname)
 cLibArgs="$*"
 
-# if there's no tty this is probably part of a docker build - therefore we install the c-api explicitly
-if [[ "$os" != MINGW* ]] && [[ "$os" != CYGWIN* ]] && [[ "$cLibArgs" != *"--install"* ]]; then
-  tty -s || cLibArgs="${cLibArgs} --install"
-fi
-
-
 bash <(curl -s https://raw.githubusercontent.com/objectbox/objectbox-c/main/download.sh) ${cLibArgs} ${cLibVersion}
diff --git a/objectbox/example/flutter/event_management_tutorial/event_manager/android/build.gradle b/objectbox/example/flutter/event_management_tutorial/event_manager/android/build.gradle
index 3cdaac95..6617c1e9 100644
--- a/objectbox/example/flutter/event_management_tutorial/event_manager/android/build.gradle
+++ b/objectbox/example/flutter/event_management_tutorial/event_manager/android/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.6.10'
+    ext.kotlin_version = '1.7.0'
     repositories {
         google()
         mavenCentral()
diff --git a/objectbox/example/flutter/event_management_tutorial/many_to_many/android/build.gradle b/objectbox/example/flutter/event_management_tutorial/many_to_many/android/build.gradle
index 3cdaac95..6617c1e9 100644
--- a/objectbox/example/flutter/event_management_tutorial/many_to_many/android/build.gradle
+++ b/objectbox/example/flutter/event_management_tutorial/many_to_many/android/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.6.10'
+    ext.kotlin_version = '1.7.0'
     repositories {
         google()
         mavenCentral()
diff --git a/objectbox/example/flutter/objectbox_demo/android/build.gradle b/objectbox/example/flutter/objectbox_demo/android/build.gradle
index 3cdaac95..6617c1e9 100644
--- a/objectbox/example/flutter/objectbox_demo/android/build.gradle
+++ b/objectbox/example/flutter/objectbox_demo/android/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.6.10'
+    ext.kotlin_version = '1.7.0'
     repositories {
         google()
         mavenCentral()
diff --git a/objectbox/example/flutter/objectbox_demo_relations/android/build.gradle b/objectbox/example/flutter/objectbox_demo_relations/android/build.gradle
index 3cdaac95..6617c1e9 100644
--- a/objectbox/example/flutter/objectbox_demo_relations/android/build.gradle
+++ b/objectbox/example/flutter/objectbox_demo_relations/android/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.6.10'
+    ext.kotlin_version = '1.7.0'
     repositories {
         google()
         mavenCentral()
diff --git a/objectbox/example/flutter/objectbox_demo_sync/android/build.gradle b/objectbox/example/flutter/objectbox_demo_sync/android/build.gradle
index 3cdaac95..6617c1e9 100644
--- a/objectbox/example/flutter/objectbox_demo_sync/android/build.gradle
+++ b/objectbox/example/flutter/objectbox_demo_sync/android/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.6.10'
+    ext.kotlin_version = '1.7.0'
     repositories {
         google()
         mavenCentral()
diff --git a/sync_flutter_libs/android/build.gradle b/sync_flutter_libs/android/build.gradle
index 56af898a..9977c637 100644
--- a/sync_flutter_libs/android/build.gradle
+++ b/sync_flutter_libs/android/build.gradle
@@ -2,7 +2,7 @@ group 'io.objectbox.objectbox_sync_flutter_libs'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.6.10'
+    ext.kotlin_version = '1.7.0'
     repositories {
         google()
         mavenCentral()